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Vertical distribution of meiofauna and the efficiency of the Van Veen grab on sandy bottoms in lake Grevelingen (the Netherlands)
Heip, C.H.R.; Willems, K.A.; Goossens, A. (1978). Vertical distribution of meiofauna and the efficiency of the Van Veen grab on sandy bottoms in lake Grevelingen (the Netherlands), in: IZWO Coll. Rep. 8(1978). IZWO Collected Reprints, 8: pp. chapter 7
In: (1978). IZWO Coll. Rep. 8(1978). IZWO Collected Reprints, 8[s.n.][s.l.], more
In: IZWO Collected Reprints. Instituut voor Zeewetenschappelijk Onderzoek: Bredene. ISSN 0772-1250, more

Also published as
  • Heip, C.H.R.; Willems, K.A.; Goossens, A. (1977). Vertical distribution of meiofauna and the efficiency of the Van Veen grab on sandy bottoms in lake Grevelingen (the Netherlands). Hydrobiol. Bull. 11(2): 35-45, more

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Keywords
    Bottom sampling; Meiofauna; Vertical distribution; ANE, Netherlands, Grevelingen L. [Marine Regions]; Marine; Brackish water

Authors  Top 
  • Heip, C.H.R., more
  • Willems, K.A.
  • Goossens, A.

Abstract
    Comparison of density estimates of Nematoda and Harpacticoida obtained by a Van Veen grab and SCUBA diving from a sandy sediment in shallow water shows that Harpacticoida are sampled efficiently with the grab but Nematoda are not. For the Nematoda, total density is underestimated and the relative abundance of surface-dwellers is overestimated. Samples obtained with a Van Veen grab from which the material is collected in a bucket and subsampled afterwards have a much smaller statistical variability than samples obtained with other methods.

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